OpenTechnical

OT-2026-000075249

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075249) never changes.

Identity and time

Publication numberOT-2026-000075249 · never reused
Internal UUID01a0ae93-f200-756a-91ed-73a6214afef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075249
StatusPUBLIC

Content hashes

Canonical text40c718b21eaa92c7b18d8e6b19e4af67321bc3ae05a298bc4bdf9384017c0101
Markdownca0049e1799e53dd88d8305d23f302bc323939ced136aef1a069b16110d3fb5d
PDF
Publication pagebd0d381ebdd880ae5811571752674652219034f27ca49d0ce7ef814ce35286c6
Manifest16222220e5c0b13778aaad8bb0ee2e9eb5b4cd3ba6db47c74879becd2157ca9b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturexhU3mDJwaB8K6MGd/ZCz2i+cSvsaGMYKxl7NXUxR/6DLWOxffzV69Hi+ZHgQrHb/EGK681diSZb3bYfLRI4jAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:32.390659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249
observed bd0d381ebdd880ae5811571752674652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:32.371796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/manifest.json
observed 16222220e5c0b13778aaad8bb0ee2e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:32.353630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/publication.md
observed ca0049e1799e53dd88d8305d23f302bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:32.335902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/publication.txt
observed 40c718b21eaa92c7b18d8e6b19e4af67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:51.984013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249
observed bd0d381ebdd880ae5811571752674652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:51.966691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/manifest.json
observed 16222220e5c0b13778aaad8bb0ee2e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:51.946807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/publication.md
observed ca0049e1799e53dd88d8305d23f302bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:51.807615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075249/publication.txt
observed 40c718b21eaa92c7b18d8e6b19e4af67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.